Nodemanager日志为：是在虚拟机上运行的
ulimit -a
core file size (blocks,-c) 0
data seg size (kbytes,-d) unlimited
scheduling priority (-e) 0
file size (blocks.-f) unlimited
pending signals (-i) 7808
max locked memory (kbytes,-l) 64
max memory size (kbytes,-m) unlimited
open files (-n)1024
pipe size (512 bytes,-p) 8
POSIX message queues (bytes,-q) 819200
real-time priority (-r) 0
stack size (kbytes,-s) 10240
cpu time (seconds,-t)unlimited
max user processes (-u)7808
virtual memory (kbytes,-v) unlimited
file locks (-x)unlimited